1.  grand tour(n = noun.act) Array - an extended cultural tour of Europe taken by wealthy young Englishmen (especially in the 18th century) as part of their education; Array
is a kind of circuit, tour

2.  grand tour(n = noun.act) Array - a sightseeing tour of a building or institution; Array
is a kind of circuit, tour

N  journey, travel, traveling, wayfaring, campaigning, journey, excursion, expedition, tour, trip, grand tour, circuit, peregrination, discursion, ramble, pilgrimage, hajj, trek, course, ambulation, march, walk, promenade, constitutional, stroll, saunter, tramp, jog trot, turn, stalk, perambulation, noctambulation, noctambulism, somnambulism, outing, ride, drive, airing, jaunt, equitation, horsemanship, riding, manege, ride and tie, basophobia, roving, vagrancy, pererration, marching and countermarching, nomadism, vagabondism, vagabondage, hoboism, gadding, flit, flitting, migration, emigration, immigration, demigration, intermigration, wanderlust, plan, itinerary, guide, handbook, guidebook, road book, Baedeker, Bradshaw, Murray, map, road map, transportation guide, subway map, procession, cavalcade, caravan, file, cortege, column, vehicle, automobile, train, bus, airplane, plane, autobus, omnibus, subway, motorbike, dirt bike, off-road vehicle, van, minivan, motor scooter, trolley, locomotive, legs, feet, pegs, pins, trotters, traveler, depot, railway station, station, traveling, ambulatory, itinerant, peripatetic, roving, rambling, gadding, discursive, vagrant, migratory, monadic, circumforanean, circumforaneous, noctivagrant, mundivagrant, locomotive, wayfaring, wayworn, travel-stained, on foot, on horseback, on Shanks's mare, by the Marrowbone stage: in transitu, en route, Int, come along!.

baby grand, baby grand piano, concert grand, duty tour, georges de la tour, grand, grand canal, grand canyon, grand canyon national park, grand canyon state, grand circle, grand dragon, grand duchess, grand duchy, grand duchy of luxembourg, grand duke, grand fir, grand guignol, grand inquisitor, grand island, grand jury, grand lama, grand larceny, grand mal, grand mal epilepsy, grand marnier, grand mercy, grand mufti, grand national, grand opera, grand piano, grand prix, grand rapids, grand river, grand slam, grand teton, grand teton national park, grand theft, grand total, grand turk, grand unification theory, grand unified theory, la tour, on tour, package tour, parlor grand, parlor grand piano, parlour grand, parlour grand piano, tour, tour de force, tour de france, tour guide, tour of duty, war of the grand alliance, whistle-stop tour